MedericCar / pathtracer

Basic path tracer in C++

Raytracer

Basic path tracer in C++.

Examples

Installation

Dependencies

• CMake
• Conan

Commands

$ mkdir build
$ cd build
$ conan install ..
$ cmake -DCMAKE_BUILD_TYPE=Release ..
$ make app

Usage

Specify scene characteristics in a JSON file following the format in scenes/ and execute :

$ ./app -f /path/to/scene/json -n number_of_spp

Implemented

• Scene parametrisation with JSON
• OBJ and MTL files loadable
• Monte Carlo integrator
• BSDF : Lambertian diffuse, Fresnel dielectrics, Microfacets
• Axis based BVH
• Multithreaded computation of the image

TODO

• Improve interface with OBJ and MTL (only load as diffuse for now)
• Improve BVH strategy
• Add BSDFs

References

• PBR book
• Ray Tracing in One Weekend series
• Article on Microfacets BRDF
• Scratchapixel
• Fundamentals Of Computer Graphics, Peter Shirley, Steve Marschner